Sinonasal Biomarkers Defining Type 2-High and Type 2-Low Inflammation in Chronic Rhinosinusitis with Nasal Polyps

Eugenio De Corso, Silvia Baroni, Stefano Settimi, Maria Elisabetta Onori, Rodolfo Francesco Mastrapasqua, Eliana Troiani, Giacomo Moretti, Donatella Lucchetti, Marco Corbò, Claudio Montuori, Alessandro Cantiani, Davide Paolo Porru, Simone Lo Verde, Giuseppe Alberto Di Bella, Cristiano Caruso, Jacopo Galli

Risultato della ricerca: Contributo in rivistaArticolo in rivista


The complex pathophysiology of chronic rhinosinusitis with nasal polyps (CRSwNP) generates a spectrum of phenotypes with a wide variety of inflammatory states. We enrolled 44 very-likely-to-be type 2 CRSwNP patients in order to evaluate the load of inflammation and to analyze human interleukins in nasal secretion. Clinical data were collected to evaluate the severity of the disease. High levels of IL-5, IL-4, IL-6, and IL-33 were detected in all type 2 CRSwNP patients. By analyzing type 2 cytokine profiles and local eosinophil count, we identified two coherent clusters: the first was characterized by high levels of IL-4, IL-5, IL-6, and a high-grade eosinophil count (type 2-high); the second had lower levels of cytokines and poor or absent eosinophilic inflammation (type-2 low). IL-5 levels were significantly higher within the type 2 cytokine and it was the most reliable biomarker for differentiating the two clusters. In type 2-high inflammatory profile clinical scores, the mean number of previous surgeries and need for systemic corticosteroids were significantly higher compared to type 2-low. Our research demonstrated the potential role of type 2 biomarkers, and in particular, of IL-5 in identifying patients with a more severe phenotype based on a high inflammatory load
Lingua originaleEnglish
pagine (da-a)1251-1251
Numero di pagine1
RivistaJournal of Personalized Medicine
Stato di pubblicazionePubblicato - 2023


  • biomarker
  • chronic rhinosinusitis
  • disease severity
  • eosinophilic rhinitis
  • medical therapy of chronic rhinosinusitis
  • nasal polyposis


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